<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <link rel="stylesheet" href="static/plugins/bootstrap-3.4.1/css/bootstrap.css">
    <style>

        .waibu {
            width: 350px;
            height: 300px;
            border: 1px solid #dddddd;
            padding: 15px;
            margin-right: auto;
            margin-left: auto;
            margin-top: 200px;
            border-radius: 8px;
            box-shadow: 10px 10px 10px #adadad;
        }

        .waibu h1{
            text-align: center;
        }


    </style>

</head>
<body>


<form class="waibu">
    <h1>
        用户登录
    </h1>
    <div class="form-group">
        <label for="exampleInputEmail1">用户名或手机号</label>
        <input type="email" class="form-control" id="exampleInputEmail1" placeholder="请输入账号:">
    </div>
    <div class="form-group">
        <label for="exampleInputPassword1">密码</label>
        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="请输入密码:">
    </div>

    <button type="button" class="btn btn-primary">登录</button>
</form>


</body>
</html>